There is no denying that the Harry Potter movies continue to be a cultural phenomenon. To celebrate the 20th anniversary of the first film in the magical franchise, Harry Potter and the Philosopher’s Stone, director Christopher Columbus gifted fans with a new casting story. During an interview with Total Film, the director revealed that the late Robin Williams originally had his heart set on playing a specific Hogwarts teacher; however, he was turned down due to being American. ... Read this story